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Bosch AL4074X Alternator
| Brand | Bosch AL4074X |
|---|---|
| Voltage | 12 |
| Plug Clock Rear View Main Mounting Ear at 6 O Clock | 8 |
| Plug Type | 303 |
| Fan Type | Internal |
| Rotation Direction | Clockwise |
| External Fan Included | Yes |
| One Wire Capable | No |
| Pulley Included | Yes |
| External Regulator Included | Yes |
| Pulley Groove Quantity | 6 |
| Case Color | Aluminum |
| Outside Pulley Diameter | 50 |
| Regulator Type | Internal |
| Case Material | Aluminum |
| Amperage Rating | 90 |
| New Or Remanufactured | Remanufactured |
| Original Equipment Manufacturer Names | Mi |
| Packaging | Box |
| Pulley Type | 6s |
| Pulley Type / Belt Type (Alternator) | 6s |
| Product line | Alternator (Remanufactured) |
| Fits | Mazda · 6 vehicles |
Remanufactured alternator. Built and tested for dependable charging performance.
Aluminum case. Lightweight construction helps manage heat and durability.
Internal fan. Promotes efficient cooling during operation.
Cross-references LF1F18300 for the same application. See all 1.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Bosch AL4074X Alternator for Mazda 3
The Bosch AL4074X is a remanufactured 12-volt alternator built for charging-system replacement on select Mazda 3 models. It is engineered with an internal fan, internal regulator, and included pulley to support stable electrical output in daily driving conditions.
Key Features
- Remanufactured Bosch alternator for charging system service
- 12-volt design with 90-amp output rating
- Internal fan and internal regulator
- Clockwise rotation
- 6-groove pulley with 50 mm outside diameter
- Aluminum case and aluminum case material
- Plug type 303 with rear-view plug clock position at 6 o’clock
- External fan included and external regulator included
- Fits 2007-2009 Mazda 3
Product Details
Bosch Premium Alternators are built and tested for dependable charging performance and consistent operation. The AL4074X remanufactured alternator is a direct-fit electrical replacement for 2007-2009 Mazda 3 applications, with the correct pulley configuration, plug type, and mounting orientation for the listed fitment. This part number, AL4074X, is also a useful reference when searching for a remanufactured Bosch alternator for Mazda 3 charging-system repair.
This part cross-references LF1F18300 for the same application.
Common Problems This Part Can Help Solve
- Battery warning light caused by alternator output issues
- Low charging voltage or intermittent charging
- Dim lights or electrical accessories losing power while driving
- Battery drain related to a failing alternator
- Noise or charging instability from a worn original unit
Installation Notes and Tips
Verify the plug type, pulley groove count, rotation direction, and mounting ear orientation before installation. Confirm the vehicle uses the listed 12-volt charging setup and compare the original unit to Bosch AL4074X for connector and pulley match. After installation, check belt alignment, charging voltage, and battery condition to confirm proper system operation on the Mazda 3.
Quality Assurance
Bosch remanufactured alternators are built, assembled, and tested to meet charging-system performance and reliability requirements for the listed application. The AL4074X is a remanufactured Bosch electrical component intended for direct replacement use on the specified Mazda 3 model years.
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2009 | Mazda | 3 | Sedan | 2.0L | L4 | N/A | Alternator (Remanufactured) |
| 2009 | Mazda | 3 | — | 2.3L | L4 | N/A | Alternator (Remanufactured) |
| 2008 | Mazda | 3 | — | 2.0L | L4 | N/A | Alternator (Remanufactured) |
| 2008 | Mazda | 3 | — | 2.3L | L4 | N/A | Alternator (Remanufactured) |
| 2007 | Mazda | 3 | — | 2.3L | L4 | N/A | Alternator (Remanufactured) |
| 2007 | Mazda | 3 | — | 2.0L | L4 | N/A | Alternator (Remanufactured) |
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